Two Marbles Are Drawn Without Replacement from a Box with 3

question 265

Multiple Choice

Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.
-Both marbles are white.

• A) \(\frac { 3 } { 8 }\)
• B) \(\frac { 3 } { 32 }\)
• C) \(\frac { 9 } { 56 }\)
• D) \(\frac { 3 } { 28 }\)

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Definitions:

Recessive

A genetic term describing an allele that is masked by the presence of a dominant allele in a heterozygous combination.

Hemizygous

Possessing only one allele for a particular locus; a human male is hemizygous for all X-linked genes. Compare with homozygous and heterozygous.

Map Units

Units used in genetics to measure genetic linkage and represent the distance between genes on a chromosome, correlating with the frequency of recombination.

Loci

Specific fixed positions on chromosomes where genes or genetic markers are located.